Foul (7)

'foul' is the definition.
(both can mean disgusting)
This is the entire clue.
(Other definitions for squalid that I've seen before include "Extremely dirty" , "Poverty-stricken - filthy" , "run down" , "Slum-like" , "Wretched, filthy" .)
'foul' is the definition.
(I know that foul can be written as noisome)
This is the entire clue.
(Other definitions for noisome that I've seen before include "Foul; putrid" , "Extremely unpleasant" , "Disgusting -- ie moons (anag)" , "Odorous" , "Offensive, noxious" .)
'foul' is the definition.
(similar in meaning)
This is all the clue.
(Other definitions for unclean that I've seen before include "Polluted" , "Soiled like an uncle" , "Foul" , "taboo" , "Ceremonially impure" .)
'foul' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for noxious that I've seen before include "Unwholesome" , "Harmful to health" , "foul" , "bad for you" , "Unpleasant and harmful" .)
'foul' is the definition.
(I know that foul can be written as fetid)
This is all the clue.
(Other definitions for fetid that I've seen before include "Malodorous, stinking" , "Smelly through decay" , "Having a stale and unpleasant smell" , "Evil-smelling, stinking" , "Noisome" .)
'foul' is the definition.
(synonyms)
This is the entire clue.
(Other definitions for putrid that I've seen before include "Rancid" , "Rotting, fetid" , "Decaying, rotting" , "Really rotten and foul-smelling" , "corrupt" .)